SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01186295000' / Observation ID TARG_ID = '1186295 ' / Target ID SEG_NUM = '0 ' / Segment number TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error TSTART = 714253212.1946 / Start time DATE-OBS= '2023-08-20T19:40:12.2' / Start Date TSTOP = 714253317.79298 / Stop time DATE-END= '2023-08-20T19:41:57.8' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number DATE = '2023-08-20T19:45:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -31.86168 / UTCF at TSTART CHECKSUM= 'hEXOjDXLhDXLhDXL' / HDU checksum updated 2023-08-20T19:45:49 DATASUM = ' 0' / data unit checksum updated 2023-08-20T19:45:49 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 18 / width of table in bytes NAXIS2 = 100 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row TTYPE1 = 'TIME ' / label for field 1 TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'RATE ' / label for field 2 TFORM2 = '1D ' / data format of field: 8-byte DOUBLE TUNIT2 = 'count/s ' / physical unit of field TTYPE3 = 'XRTMODE ' / label for field 3 TFORM3 = '1I ' / data format of field: 2-byte INTEGER EXTNAME = 'RATE ' / name of this binary table extension MESGNAME= 'XRT_LIGHTCURVE' / Name of the message COMMENT XRTMODE values COMMENT 1=null 2=Short Image 3=Long Image 4=Pile-Up Photodiode COMMENT 5=Low Rate Photodiode 6=Windowed Timing 7= Photon-Counting COMMENT 8=RAW data 9=Bias map 10=Stop TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01186295000' / Observation ID TARG_ID = '1186295 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2023-08-20T19:45:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 714253212.1946 / Start time DATE-OBS= '2023-08-20T19:40:12.2' / Start Date TSTOP = 714253317.79298 / Stop time DATE-END= '2023-08-20T19:41:57.8' / Stop Date UTCFINIT= -31.86168 / UTCF at TSTART TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'LIGHTCURVE' / Time ordered data HDUCLAS2= 'TOTAL ' / Source + background HDUCLAS3= 'RATE ' / Data provided as rate NUMBINS = 100 / Number of valid bins in the lightcurve TRIGGER = 1186295 / Trigger Number XRA_OBJ = 245.274490356445 / [deg] XRT RA location GRB or Object XDEC_OBJ= -17.4158744812012 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.598379969597 / TSTOP - TSTART ONTIME = 107.359703063965 / Time on target LIVETIME= 107.359703063965 / Ontime multiplied by DEADC EXPOSURE= 107.359703063965 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -31.86168 / [s] UTC Correction TIME UTCCSEC = -32 / UTC Correction Seconds UTCCSUBS= 6916 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 714253318.0593 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 714253318 / ccsds PacKeT SEConds PKTSUBS = 2965 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5eJo8ZIn5dIn5ZIn' / HDU checksum updated 2023-08-20T19:45:49 DATASUM = '3161441750' / data unit checksum updated 2023-08-20T19:45:49 END AIQAIQOAIQΗO@@AIQ=@XAIQϨl@{AIQ18@A@AIQй@N.AIQB~R@?AIQ!@OAIQSX@²AIQh@®3AIQe @¬SAIQ>@™AIQvQn@MAIQ@=R AIQՇ$@AIQ:T@3 AIQ֘݃@/AIQ! @BAIQת#:@fAIQ2i@pAIQػi@#@AIQD @`AIQ̯O@`AIQUR~@bʠAIQ@- AIQf5@K_@AIQ< @‡S@AIQw;@ #AIQk@ZAIQ݉$@< AIQ!@IAIQޚkQ@m`AIQ#@K AIQ߫@`AIQ4T7@“AIQf@`AIQE@9AIQ=@¹ AIQVL@U@AIQ߃{@iY@AIQh&@aAIQ2@#@AIQyla@'NAIQ8@6KAIQ劲@l(AIQU@MAIQ@ AIQ$N@kAIQ>@?fAIQ5@: AIQ辅4@x AIQG(c@AIQ@•`AIQXn@¸`AIQI@-AIQix@Œ AIQW@͕@AIQz/@”pAIQ^@@AIQ@@tAIQ@³ZAIQ@MAIQ&*@·AIQ̣@’ AIQ7o@cBAIQ@‘@AIQH1@€ĠAIQX@l(AIQY@F8@AIQ@{AIQkBF@k@AIQ@ AIQ|@΅AIQ+,@{%AIQ[@¢}AIQp@¨AIQ@\AIQ'A@’AIQ[@jI AIQ8@DРAIQ@_ `AIQJC@„AIQ.@JAIQ[@ AIQ,@>AAIQl@@AIQsC@kAIQ~@¸ AIQ@‡ AIQ\)@†cAIQ@®3AIQ@ƒAIQ)E@AIQ>@ӬAIR:@)AIR.@=AIRK@.AIRt@X AIR]@Ÿ`